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Enjoy a stress-free experience and a reliable product.
High standards
Proven track record
Iterative processes
15
years of experience
260+
clients helped
40+
extensions created
48000+
code changes
Professional Wiki GmbH is a Berlin-based company with an international team that serves international clients.
We are MediaWiki veterans with expertise that includes MediaWiki hosting and MediaWiki software development.
Professional Wiki has made significant contributions to MediaWiki, Semantic MediaWiki and Wikibase. We also created over 40 MediaWiki extensions and wrote a lot of the MediaWiki documentation.
We are a customer-focused agile company. We value professionalism, quality and sustainability. Learn more Join our team.
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Public MediaWiki extensions that we recently created for our clients.
Wikibase Export adds a user-friendly and customizable export interface to Wikibase.
Source code Documentation Demo wiki Demo videoWikibase extension that allows defining rules to automatically set labels or aliases based on Statement values.
Source code Documentation Demo wiki Demo videoAllows embedding and rendering markdown files into wiki pages. Has special integration with GitHub and Bitbucket.
Source code Documentation Demo videoWikibase extension that allows defining RDF mappings for Wikibase Entities.
Source code Documentation Demo wikiWikibase Export adds a user-friendly and customizable export interface to Wikibase.
Source code Documentation Demo wiki Demo video Library sourceExtension for visualizing connections between pages via an interactive network graph.
Source code Documentation Demo videoWe created over 40 MediaWiki extensions and contributed to over 100. Here are some highlights:
Semantic MediaWiki (SMW) is a free, open-source extension to MediaWiki that lets you store and query data within the wiki's pages.
Work with the best Semantic MediaWiki developers in the world. We created large parts of SMW, are its maintainers, and also provide Semantic MediaWiki hosting.
Wikibase is a free, open-source software platform for creating knowledge bases. It powers Wikidata and is primarily developed by Wikimedia Deutschland.
Work with the best Wikibase developers. We created large parts of Wikibase itself, developed various extensions for our clients, and provide Wikibase hosting.
Google Maps and Leaflet integration for MediaWiki. Embed dynamic and highly customizable maps into your wiki. Features a visual map editor and integration with Semantic MediaWiki.
Source code Documentation Demo wiki Demo videoWe maintain Chameleon, the most popular responsive MediaWiki skin. Chameleon is highly customizable, often used by companies to brand their corporate wikis in line with their corporate identity.
Source code Documentation Examples wikisWe created the most modern MediaWiki hosting product on the market. Create your wiki by filling out a simple form and manage it via a user-friendly wiki administration interface.
We developed ProWiki with the same rigor that we apply to projects for our clients. While it is not open source, our creation and operation of the platform demonstrates our expertise.
Website BlogUnsere Gründer besuchen ihre erste SMWCon. Jeroen erstellt die Maps-Erweiterung.
Wir werden Betreuer von Semantic MediaWiki. Jeroen entwickelt Wikibase und Wikidata, und wird zum Softwarearchitekten bei Wikimedia Deutschland befördert. Karsten startet WikiHoster.
Wir beginnen offiziell mit der Zusammenarbeit, um erstklassige MediaWiki-Dienste anzubieten.
Wir starten ProWiki, die modernste und benutzerfreundlichste MediaWiki-Hosting-Plattform.
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We developed a new MediaWiki extension for the Luxembourg Ministry of Culture. Automate value creation in your Wikibase.
Importing a large number of Items into Wikibase can be a challenge. We provide a high-level overview of importing approaches and their performance.
Jeroen shares his advice for junior developers. This is a great read for anyone who is just starting out with programming.
Contact us with the details of your project.
Get superior results from the best MediaWiki developers with a proven tack record of creating MediaWiki extensions & integrations.
Explore Mediawiki DevelopmentMake your wiki look great! Use a time-tested responsive MediaWiki theme, or have us create a custom MediaWiki skin for you.
Style Your WikiLet us take care of your wiki. We are MediaWiki hosting experts and provide cloud hosting, on-premise hosting, and dedicated hosting.
Find the Perfect Wiki Hosting PlanBring your wiki to the next level by leveraging our MediaWiki expertise. From strategic planning to wikitext, we have you covered.
Explore Our Consulting ServicesMigrate your wiki with confidence. We move your MediaWiki to a new home, or we help you migrate from another system to MediaWiki.
Migrate Your WikiKeep your MediaWiki up-to-date and secure. We offer MediaWiki maintenance services to keep your wiki running smoothly.
Secure & Update Your Wiki